﻿using DevExpress.LookAndFeel;
using DevExpress.Skins;
using DevExpress.UserSkins;
using DevExpress.XtraSplashScreen;
using Lanting.Utilities;
using LantingConnect.Controller;
using LantingConnect.Properties;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace LantingConnect
{
    static class Program
    {

        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        //static void Main()
        //{
        //    Application.EnableVisualStyles();
        //    Application.SetCompatibleTextRenderingDefault(false);
        //    Application.Run(Controller_Index.Instance.Get_form_index);
        //}
        static void Main()
        {
            //只运行一个实例
            Process instance = RunningInstance();
            if (instance == null)
            {
                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);

                //注册异常处理事件
                Application.ThreadException += Application_ThreadException;

                //字体
                DevExpress.Utils.AppearanceObject.DefaultFont = new System.Drawing.Font("微软雅黑", 9F);

                //注册皮肤
                BonusSkins.Register();
                SkinManager.EnableFormSkins();
                UserLookAndFeel.Default.SetSkinStyle(Settings.Default.DefaultSkinName);


                #region 加载新窗体步骤
                //开启等待窗体
                SplashScreenManager.ShowDefaultWaitForm("请等待", "系统加载中");
                //运行新窗体
                Application.Run(Controller_Index.Instance.Get_form_index);
                #endregion
            }
            else
            {
                HandleRunningInstance(instance);
            }
        }

        #region 全局异常捕获
        static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {
            UtilMethods.CatchException(e.Exception);
        }
        #endregion




        #region  确保程序只运行一个实例
        private static Process RunningInstance()
        {
            Process current = Process.GetCurrentProcess();
            Process[] processes = Process.GetProcessesByName(current.ProcessName);
            //遍历与当前进程名称相同的进程列表 
            foreach (Process process in processes)
            {
                //如果实例已经存在则忽略当前进程 
                if (process.Id != current.Id)
                {
                    //保证要打开的进程同已经存在的进程来自同一文件路径
                    if (Assembly.GetExecutingAssembly().Location.Replace("/", "\\") == current.MainModule.FileName)
                    {
                        //返回已经存在的进程
                        return process;

                    }
                }
            }
            return null;
        }
        //3.已经有了就把它激活，并将其窗口放置最前端
        private static void HandleRunningInstance(Process instance)
        {
            MessageBox.Show("已经在运行！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
            ShowWindowAsync(instance.MainWindowHandle, 1);  //调用api函数，正常显示窗口
            SetForegroundWindow(instance.MainWindowHandle); //将窗口放置最前端
        }
        [DllImport("User32.dll")]
        private static extern bool ShowWindowAsync(System.IntPtr hWnd, int cmdShow);
        [DllImport("User32.dll")]
        private static extern bool SetForegroundWindow(System.IntPtr hWnd);
        #endregion
    }

}
